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3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # This program is distributed in the hope that it will be useful,
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677 # Some implementations (such as Solaris 8's) are not thread-safe: if a
678 # parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
679 # concurrently, both version can detect that a/ is missing, but only
680 # one can create it and the other will error out. Consequently we
681 # restrict ourselves to GNU make (using the --version option ensures
683 AC_DEFUN([AM_PROG_MKDIR_P],
684 [if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
685 # We used to keeping the `.' as first argument, in order to
686 # allow $(mkdir_p) to be used without argument. As in
687 # $(mkdir_p) $(somedir)
688 # where $(somedir) is conditionally defined. However this is wrong
690 # 1. if the package is installed by a user who cannot write `.'
691 # make install will fail,
692 # 2. the above comment should most certainly read
693 # $(mkdir_p) $(DESTDIR)$(somedir)
694 # so it does not work when $(somedir) is undefined and
696 # To support the latter case, we have to write
697 # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
698 # so the `.' trick is pointless.
699 mkdir_p='mkdir -p --'
701 # On NextStep and OpenStep, the `mkdir' command does not
702 # recognize any option. It will interpret all options as
703 # directories to create, and then abort because `.' already
705 for d in ./-p ./--version;
707 test -d $d && rmdir $d
709 # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
710 if test -f "$ac_aux_dir/mkinstalldirs"; then
711 mkdir_p='$(mkinstalldirs)'
713 mkdir_p='$(install_sh) -d'
716 AC_SUBST([mkdir_p])])
718 # Helper functions for option handling. -*- Autoconf -*-
720 # Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
722 # This file is free software; the Free Software Foundation
723 # gives unlimited permission to copy and/or distribute it,
724 # with or without modifications, as long as this notice is preserved.
728 # _AM_MANGLE_OPTION(NAME)
729 # -----------------------
730 AC_DEFUN([_AM_MANGLE_OPTION],
731 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
733 # _AM_SET_OPTION(NAME)
734 # ------------------------------
735 # Set option NAME. Presently that only means defining a flag for this option.
736 AC_DEFUN([_AM_SET_OPTION],
737 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
739 # _AM_SET_OPTIONS(OPTIONS)
740 # ----------------------------------
741 # OPTIONS is a space-separated list of Automake options.
742 AC_DEFUN([_AM_SET_OPTIONS],
743 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
745 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
746 # -------------------------------------------
747 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
748 AC_DEFUN([_AM_IF_OPTION],
749 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
751 # Check to make sure that the build environment is sane. -*- Autoconf -*-
753 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
754 # Free Software Foundation, Inc.
756 # This file is free software; the Free Software Foundation
757 # gives unlimited permission to copy and/or distribute it,
758 # with or without modifications, as long as this notice is preserved.
764 AC_DEFUN([AM_SANITY_CHECK],
765 [AC_MSG_CHECKING([whether build environment is sane])
768 echo timestamp > conftest.file
769 # Do `set' in a subshell so we don't clobber the current shell's
770 # arguments. Must try -L first in case configure is actually a
771 # symlink; some systems play weird games with the mod time of symlinks
772 # (eg FreeBSD returns the mod time of the symlink's containing
775 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
776 if test "$[*]" = "X"; then
778 set X `ls -t $srcdir/configure conftest.file`
781 if test "$[*]" != "X $srcdir/configure conftest.file" \
782 && test "$[*]" != "X conftest.file $srcdir/configure"; then
784 # If neither matched, then we have a broken ls. This can happen
785 # if, for instance, CONFIG_SHELL is bash and it inherits a
786 # broken ls alias from the environment. This has actually
787 # happened. Such a system could not be considered "sane".
788 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
789 alias in your environment])
792 test "$[2]" = conftest.file
798 AC_MSG_ERROR([newly created file is older than distributed files!
799 Check your system clock])
803 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
805 # This file is free software; the Free Software Foundation
806 # gives unlimited permission to copy and/or distribute it,
807 # with or without modifications, as long as this notice is preserved.
809 # AM_PROG_INSTALL_STRIP
810 # ---------------------
811 # One issue with vendor `install' (even GNU) is that you can't
812 # specify the program used to strip binaries. This is especially
813 # annoying in cross-compiling environments, where the build's strip
814 # is unlikely to handle the host's binaries.
815 # Fortunately install-sh will honor a STRIPPROG variable, so we
816 # always use install-sh in `make install-strip', and initialize
817 # STRIPPROG with the value of the STRIP variable (set by the user).
818 AC_DEFUN([AM_PROG_INSTALL_STRIP],
819 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
820 # Installed binaries are usually stripped using `strip' when the user
821 # run `make install-strip'. However `strip' might not be the right
822 # tool to use in cross-compilation environments, therefore Automake
823 # will honor the `STRIP' environment variable to overrule this program.
824 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
825 if test "$cross_compiling" != no; then
826 AC_CHECK_TOOL([STRIP], [strip], :)
828 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
829 AC_SUBST([INSTALL_STRIP_PROGRAM])])
831 # Check how to create a tarball. -*- Autoconf -*-
833 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
835 # This file is free software; the Free Software Foundation
836 # gives unlimited permission to copy and/or distribute it,
837 # with or without modifications, as long as this notice is preserved.
841 # _AM_PROG_TAR(FORMAT)
842 # --------------------
843 # Check how to create a tarball in format FORMAT.
844 # FORMAT should be one of `v7', `ustar', or `pax'.
846 # Substitute a variable $(am__tar) that is a command
847 # writing to stdout a FORMAT-tarball containing the directory
849 # tardir=directory && $(am__tar) > result.tar
851 # Substitute a variable $(am__untar) that extract such
852 # a tarball read from stdin.
853 # $(am__untar) < result.tar
854 AC_DEFUN([_AM_PROG_TAR],
855 [# Always define AMTAR for backward compatibility.
856 AM_MISSING_PROG([AMTAR], [tar])
858 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
859 [m4_case([$1], [ustar],, [pax],,
860 [m4_fatal([Unknown tar format])])
861 AC_MSG_CHECKING([how to create a $1 tar archive])
862 # Loop over all known methods to create a tar archive until one works.
863 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
864 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
865 # Do not fold the above two line into one, because Tru64 sh and
866 # Solaris sh will not grok spaces in the rhs of `-'.
867 for _am_tool in $_am_tools
871 for _am_tar in tar gnutar gtar;
873 AM_RUN_LOG([$_am_tar --version]) && break
875 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
876 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
877 am__untar="$_am_tar -xf -"
880 # Must skip GNU tar: if it does not support --format= it doesn't create
881 # ustar tarball either.
882 (tar --version) >/dev/null 2>&1 && continue
883 am__tar='tar chf - "$$tardir"'
884 am__tar_='tar chf - "$tardir"'
888 am__tar='pax -L -x $1 -w "$$tardir"'
889 am__tar_='pax -L -x $1 -w "$tardir"'
893 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
894 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
895 am__untar='cpio -i -H $1 -d'
904 # If the value was cached, stop now. We just wanted to have am__tar
906 test -n "${am_cv_prog_tar_$1}" && break
908 # tar/untar a dummy directory, and stop if the command works
911 echo GrepMe > conftest.dir/file
912 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
914 if test -s conftest.tar; then
915 AM_RUN_LOG([$am__untar <conftest.tar])
916 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
921 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
922 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
924 AC_SUBST([am__untar])
928 m4_include([../config/accross.m4])
929 m4_include([../config/acx.m4])
930 m4_include([../config/gcc-version.m4])
931 m4_include([../config/gxx-include-dir.m4])
932 m4_include([../config/iconv.m4])
933 m4_include([../config/lcmessage.m4])
934 m4_include([../config/lib-ld.m4])
935 m4_include([../config/lib-link.m4])
936 m4_include([../config/lib-prefix.m4])
937 m4_include([acinclude.m4])